tonight israel published these images. the army released video footage of him being tracked and the moment when his car was hit. israel said the strike followed a wave of rocket attacks from gaza. >> i can just elaborate the target was to protect israeli civilians. they have been under constant rocket attacks for the last year. >> gaza is expected to face more casualties, among them children and at least one baby. there were questions about the action. there has been speculation from the israeli media as the government needed to be seen to act forcefully. across azar, the news has spread fast. -- across gaza, the news has spread fast. hamas said this killing would open the gates of hell. in a few places, and gazans took to the streets to voice their support. it is almost four years since the last war. recently the world's attention has been focused elsewhere in the middle east, but the most deep-rooted conflict never went away. >> how serious is this situation, and what could it mean across the region? >> this is why israe